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NCT04567888 · ClinicalTrials.gov registry record · NA
Testing a Digital Intervention for Adolescents
A NA study, sponsored by Happify.
- Completed
- Registry status
- NA
- Development phase
- 353
- Enrollment target
NCT04567888: Completed NA study, sponsored by Happify.
NCT04567888 is a NA study that has completed, run by Happify. The registered enrollment target is 353 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (75% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04567888, a NA study, has completed, sponsored by Happify.
- COMPLETED
- Registry status
- NA
- Development phase
- 353 participants
- Enrollment target
Study Summary
Teen participants (ages 13-17) will be randomly assigned to either an experimental (the Happify Teens digital platform), or a waitlist control group. The study includes an 8-week intervention period and a 1-month follow up period.
Primary Outcome
10-item measure of perceived stress scoring how often the participant felt stressed by each statement in the following month from never (0) to very often (4). Scores can range from 0 to 40, with higher scores indicating higher levels of perceived stress.
Interventions
- BEHAVIORAL Happify Teens
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 353 participants |
| Start Date | 2021-06-03 |
| Est. Completion | 2022-04-11 |
| Phase | NA |
What the finished NCT04567888 record still lists
NCT04567888 is an interventional study that assigns participants to a tested intervention. The registered 353 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (75% lower).
The record links to 0 conditions, and to 1 intervention - of which Happify Teens is the first listed.
NCT04567888 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04567888 about?
NCT04567888 is a clinical study titled "Testing a Digital Intervention for Adolescents". Teen participants (ages 13-17) will be randomly assigned to either an experimental (the Happify Teens digital platform), or a waitlist control group. The study includes an 8-week intervention period and a 1-month follow up period.
What is the current status of trial NCT04567888?
This trial is currently completed. It is a NA study. The enrollment target is 353 participants. The study started on 2021-06-03. Estimated completion is 2022-04-11.
What interventions are being tested in trial NCT04567888?
The interventions under investigation include: Happify Teens (BEHAVIORAL).
Who is sponsoring clinical trial NCT04567888?
This trial is sponsored by Happify, which has 6 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04567888's enrollment target sits among peer trials
353 292nd of 2000 higher than 1,709 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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